If you are looking for custom firmware, the OpenWrt Forum hosts discussions on building images for specific hardware versions like the V2.2.
Check the sticker on the back of your router; it is often unique to your device. Download ZTE H168N rar
Locate the button on the back (usually a small pinhole). Use a paperclip to hold the button for 10–15 seconds . Wait for the lights to cycle and the router to reboot. If you are looking for custom firmware, the